feat(docsearch): use relative URLs

Author: francoischalifour

src/DocSearch.tsx

@@ -223,6 +223,16 @@ export function DocSearch({
                     return Object.values(
                       groupBy(items, item => item.hierarchy.lvl1)
                     )
+                      .map(items => {
+                        return items.map(item => {
+                          const url = new URL(item.url);
+
+                          return {
+                            ...item,
+                            url: item.url.replace(url.origin, ''),
+                          };
+                        });
+                      })
                       .map(transformItems)
                       .map(hits =>
                         hits.map(item => {